title: Continuation therapy with lithium and amitriptyline in unipolar depressive illness: a controlled clinical trial. A report by the Medical Research Council Drug Trials Subcommittee.
mesh_terms: D000328:Adult; D000368:Aged; D000639:Amitriptyline / Q000097:blood / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D003866:Depressive Disorder / Q000188:drug therapy*; D006801:Humans; D008094:Lithium / Q000097:blood / Q000627:therapeutic use*; D016651:Lithium Carbonate; D008875:Middle Aged
chemical_list: D000639:Amitriptyline; D016651:Lithium Carbonate; D008094:Lithium